77278720

素因数分解:

$2^9\times 5^1\times {\mathrm{30187}}^1$

素因数の和:30210

約数の個数: 40

約数和(自身を含む): 185293944

約数和(自身を除く): 108015224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30187, 60374, 120748, 150935, 241496, 301870, 482992, 603740, 965984, 1207480, 1931968, 2414960, 3863936, 4829920, 7727872, 9659840, 15455744, 19319680, 38639360, 77278720]

約数ペア:

[(1, 77278720), (2, 38639360), (4, 19319680), (5, 15455744), (8, 9659840), (10, 7727872), (16, 4829920), (20, 3863936), (32, 2414960), (40, 1931968), (64, 1207480), (80, 965984), (128, 603740), (160, 482992), (256, 301870), (320, 241496), (512, 150935), (640, 120748), (1280, 60374), (2560, 30187)]